Home / 3,315,133.84-4,972,208.01-918,728.59

Finding the Fourth Proportional to 3,315,133.84, 4,972,208.01 and 918,728.59

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Solution

The fourth proportional to 3,315,133.84, 4,972,208.01 and 918,728.59 is: 1,377,956.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,133.84 : 4,972,208.01 = 918,728.59 : x
  2. Step 2: Convert to fraction form
    3,315,133.84/4,972,208.01 = 918,728.59/x
  3. Step 3: Cross multiply
    3,315,133.84x = 4,972,208.01 × 918,728.59
  4. Step 4: Simplify right side
    3,315,133.84x = 4,568,109,654,214.01
  5. Step 5: Solve for x
    x = 4,568,109,654,214.01/3,315,133.84
  6. Step 6: Final answer
    x = 1,377,956.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.